mac address of bound port can be changed

[Chuck Carlino]

A simple bug in the call to _check_mac_update_allowed permits the mac_address of a bound port to be changed. Verified on ml2/ovs.

[Chuck Carlino (ccarlino)]

see spec https://github.com/openstack/neutron-specs/blob/master/specs/kilo/mac_addr_update.rst

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/162500

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/162500
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=89b9e8597816a5ac2f5a48133777c88abb91914e
Submitter: Jenkins
Branch: master

commit 89b9e8597816a5ac2f5a48133777c88abb91914e
Author: ChuckC <email address hidden>
Date: Sun Mar 8 17:51:09 2015 -0700

    Prevent updating mac address of bound port

    Currently, a port's mac address can be updated even if it is bound.
    This fixes the _check_mac_update_allowed() call to pass just port update
    attributes rather than the entire payload and fills in missing testing.

    Change-Id: Iee8492e9b4fcdb07eb438eb6f5958d7addeb3d8f
    Closes-bug: #1429672